Long-horned-bee
Guides
Cemolobus ipomoeae
Cemolobus ipomoeae is a rarely encountered specialist bee in the family Apidae, tribe Eucerini. It is known for its obligate association with morning glory plants (Ipomoea), particularly Ipomoea pandurata. The species was first recorded in Mississippi in 2017, representing a significant southwestern range expansion from its previously documented distribution. As a pollen and nectar specialist, this bee plays a specific role in the pollination of its host plants.
Eucera actuosa
Eucera actuosa is a species of long-horned bee in the family Apidae. It was described by Cresson in 1879 and is found in North America. As a member of the genus Eucera, it belongs to a group of solitary bees commonly known as squash bees due to their specialized pollination of cucurbit crops. The species is part of the tribe Eucerini, which is characterized by males with notably long antennae.
Eucera amsinckiae
Eucera amsinckiae is a species of long-horned bee in the family Apidae, first described by Timberlake in 1969. The species belongs to the genus Eucera, which comprises solitary bees commonly known as squash bees due to their specialized association with cucurbit plants. Males of Eucera species are characterized by exceptionally long antennae, a trait that gives the group its common name. Like other members of its genus, E. amsinckiae is likely an important pollinator of agricultural crops, particularly those in the Cucurbitaceae family.
Eucera cordleyi
Cordley's Long-horned Bee
Eucera cordleyi is a species of long-horned bee in the family Apidae, first described by Viereck in 1905. Like other members of the genus Eucera, males are characterized by exceptionally long antennae. The species occurs in North America and is part of the Eucerini tribe, which includes important pollinators of agricultural crops such as cucurbits. Specific ecological details for this species remain poorly documented.
Eucera frater
Monk Longhorn
Eucera frater is a species of long-horned bee in the family Apidae, found in North America. It belongs to the tribe Eucerini, a group of solitary bees characterized by elongated antennae in males. The species was originally described as Melissodes frater by Cresson in 1878 and later transferred to the genus Eucera. Three subspecies are recognized: E. f. albopilosa, E. f. frater, and E. f. lata.
Eucera frater albopilosa
White-haired Monk Longhorn
Eucera frater albopilosa is a subspecies of long-horned bee in the family Apidae. It belongs to the genus Eucera, a group of solitary bees commonly known as squash bees or long-horned bees due to the exceptionally long antennae of males. The subspecies is recognized as valid and has been documented in North America. Like other Eucera species, it is likely associated with pollination of flowering plants, though specific ecological details for this subspecies remain limited in published sources.
Eucera frater lata
A subspecies of long-horned bee in the genus Eucera, native to North America. Males possess notably elongated antennae, a defining trait of the genus. Like other Eucera species, this subspecies is a solitary ground-nesting bee and likely contributes to pollination of flowering plants in its range. Specific biological details for this subspecies remain poorly documented in published literature.
Eucera fulvitarsis
Long-horned Bee
Eucera fulvitarsis is a species of long-horned bee in the family Apidae, native to North America. Males are distinguished by exceptionally long antennae relative to body size, a characteristic feature of the genus Eucera. The species was originally described as Melissodes fulvitarsis by Cresson in 1878 and later transferred to the genus Eucera. Two subspecies are recognized: E. f. annae and the nominate E. f. fulvitarsis. Like other members of the tribe Eucerini, this species is solitary and nests in the ground.
Eucera fulvitarsis fulvitarsis
Eucera fulvitarsis fulvitarsis is a subspecies of long-horned bee in the family Apidae. It belongs to the tribe Eucerini, a group of solitary bees characterized by males with notably long antennae. The subspecies was described by Cresson in 1879 and is native to North America. Like other Eucera species, it is a specialist pollinator associated with cucurbit crops and other flowering plants.
Eucera hamata
Hook-spurred Longhorn
Eucera hamata is a long-horned bee in the family Apidae, found in North America. Males possess exceptionally long antennae, a characteristic trait of the genus Eucera. The species belongs to a group of solitary bees that nest underground and forage primarily on legume flowers.
Eucera lutziana
Eucera lutziana is a species of long-horned bee in the family Apidae, described by Cockerell in 1933. As a member of the genus Eucera, it belongs to the tribe Eucerini, a group of solitary bees commonly known as long-horned bees due to the exceptionally long antennae of males. The species is recorded from North America, though specific details about its biology and ecology remain limited in published sources.
Eucera rosae
Eucera rosae is a species of long-horned bee in the family Apidae, described by Robertson in 1900. It is found in North America. Like other members of the genus Eucera, it is a solitary ground-nesting bee. The specific epithet 'rosae' suggests an association with roses, though this relationship requires confirmation from primary sources.
Florilegus condignus
Worthy Longhorn
Florilegus condignus is a long-horned bee in the family Apidae, commonly known as the Worthy Longhorn. It is an uncommon species distributed across the Caribbean, Central America, and North America. The species is notable for its ecological importance as a pollinator of alfalfa and its association with wetland habitats containing pickerelweed.
Martinapis occidentalis
western morning long-horned bee, Western Morning-Longhorn
Martinapis occidentalis is a long-horned bee in the family Apidae, first described in 1976. It is one of the few species in the small genus Martinapis, which belongs to the tribe Eucerini. The species is known from limited observations and appears to have a restricted distribution in western North America and adjacent regions of Central America. Like other long-horned bees, males are characterized by exceptionally long antennae.
Melissodes
long-horned bees
Melissodes is a large genus of long-horned bees in the tribe Eucerini, with approximately 129-140 described species native to the Americas. Males are named for their characteristically long antennae that extend well beyond the head. The genus exhibits diverse pollen specialization strategies, with females ranging from polylectic to oligolectic, particularly on Asteraceae. Species are economically important as crop pollinators, especially for sunflower.
Melissodes agilis
agile long-horned bee, agile longhorn bee
Melissodes agilis is a species of long-horned bee in the family Apidae, characterized by the notably long antennae of males. The species exhibits striking sexual dimorphism in behavior: females are solitary ground-nesters, while males form nightly sleeping aggregations on flowers and vegetation. Males are highly territorial, aggressively defending floral resources from other pollinators including butterflies and bees. The species is native to North and Central America and has been documented in urban pollinator gardens.
Melissodes bimaculatus
Two-spotted Longhorn Bee, two-spotted longhorn
Melissodes bimaculatus, commonly known as the two-spotted longhorn bee, is a solitary bee species in the family Apidae. It is a member of the long-horned bee tribe Eucerini, characterized by males having exceptionally long antennae. The species is native to North America and has been documented as an early-season pollinator in agricultural settings, particularly in pumpkin patches. It is one of the bee species used in mark-recapture studies to evaluate wild bee sampling protocols.
Melissodes communis communis
Common Long-Horned Bee
Melissodes communis communis is a subspecies of long-horned bee in the family Apidae. Males of this group are characterized by elongated antennae, a trait reflected in the common name. The subspecies occurs in North and Middle America. Like other members of the genus Melissodes, it is a solitary bee that visits flowers for pollen and nectar collection. The specific subspecies designation indicates geographic variation within the broader M. communis species complex.
Melissodes coreopsis
Tickseed Longhorn Bee
Melissodes coreopsis is a species of long-horned bee in the family Apidae, described by Robertson in 1905. The common name 'Tickseed Longhorn Bee' reflects its association with Coreopsis flowers. Like other members of the genus Melissodes, it is a solitary ground-nesting bee that contributes to pollination of native wildflowers. Males of this genus are known to form sleeping aggregations on vegetation at night while females nest underground.
Melissodes denticulatus
Denticulate Longhorn Bee
Melissodes denticulatus is a species of long-horned bee in the family Apidae, found in North America. The species is distinguished by its strong association with ironweed (Vernonia), which serves as a key identification cue. As a member of the genus Melissodes, it exhibits the characteristic elongated antennae typical of male long-horned bees. The specific epithet "denticulatus" refers to small tooth-like structures, likely describing features of the mouthparts or other anatomical details.
Melissodes dentiventris
long-horned bee
Melissodes dentiventris is a species of long-horned bee in the family Apidae, native to North America. Like other members of the genus Melissodes, males possess elongated antennae that give the group its common name. The species is a solitary ground-nesting bee and contributes to pollination of native flora. Specific ecological details for M. dentiventris remain limited in published literature, with most behavioral observations documented for congeners such as M. agilis.
Melissodes illatus
Valiant Long-horned Bee
Melissodes illatus is a species of long-horned bee in the family Apidae, commonly known as the Valiant Long-horned Bee. It belongs to a genus characterized by males with exceptionally long antennae and territorial behavior. Like other Melissodes species, it is a solitary ground-nesting bee and an important native pollinator. The species has been documented across North America, with observation records from regions including Vermont.
Melissodes pallidisignatus
Melissodes pallidisignatus is a long-horned bee species in the family Apidae, native to North and Central America. Like other members of the genus Melissodes, it is a solitary ground-nesting bee. The species is part of a diverse genus of approximately 130 species of medium to large bees commonly known as long-horned bees due to the elongated antennae of males. It contributes to pollination in its native range, though specific ecological studies on this species are limited compared to better-known congeners such as Melissodes agilis.
Melissodes paroselae
Parosela Long-horned Bee
Melissodes paroselae is a species of long-horned bee in the family Apidae, first described by Cockerell in 1905. Like other members of the genus Melissodes, it is characterized by elongated antennae, particularly in males. The species is distributed across Central America and North America. As a member of the tribe Eucerini, it is a solitary, ground-nesting bee that contributes to pollination of native flora.
Melissodes rivalis
rival long-horned bee, Western Thistle Longhorn Bee
Melissodes rivalis is a solitary long-horned bee in the family Apidae, native to northern North America. Males are distinguished by antennae that may exceed their body length. Females construct individual underground nests and provision them with pollen, while males form sleeping aggregations on flower heads. The species has been documented pollinating thistles (Cirsium sp.).
Melissodes robustior
robust long-horned bee
Melissodes robustior, commonly known as the robust long-horned bee, is a species of long-horned bee in the family Apidae. It is native to the West Coast of North America. Male individuals have been observed exhibiting the characteristic sleeping behavior of the genus Melissodes, clustering on flowers or stems at night while females nest underground.
Melissodes stearnsi
long-horned bee
Melissodes stearnsi is a species of long-horned bee in the family Apidae, described by Cockerell in 1905. Like other members of the genus Melissodes, it belongs to the tribe Eucerini, a group of solitary, ground-nesting bees. The species is found in North America. Available information about this species specifically is limited, with most detailed behavioral and ecological knowledge coming from better-studied congeners such as Melissodes agilis.
Melissodes subillatus
Melissodes subillatus is a species of long-horned bee in the family Apidae, described by LaBerge in 1961. It belongs to a genus of solitary, ground-nesting bees commonly known as long-horned bees due to the elongated antennae of males. Like other Melissodes species, it is native to North America and contributes to pollination of flowering plants. Specific ecological details for this species remain poorly documented in published literature.
Melissodes tepaneca
Tepanec Long-horned Bee
Melissodes tepaneca is a species of long-horned bee in the family Apidae. It is distributed across Central America and North America. The species belongs to a genus characterized by males with notably elongated antennae. Like other Melissodes species, it is a solitary ground-nesting bee that contributes to pollination of native flora.
Melissodes tepidus
Long-horned bee
Melissodes tepidus is a species of long-horned bee in the family Apidae, native to North and Central America. Like other members of the genus Melissodes, males exhibit distinctive sleeping aggregations on vegetation at night while females nest solitarily in the ground. The species contributes to pollination of various flowering plants. It is one of more than 1600 native bee species recorded in California alone.
Melissodes tristis
Dark-faced Longhorn Bee
Melissodes tristis is a long-horned bee species in the family Apidae, tribe Eucerini. It is commonly known as the Dark-faced Longhorn Bee. The species occurs in North America and Central America. Like other Melissodes species, it is a solitary bee with males typically exhibiting elongated antennae.
Simanthedon linsleyi
Simanthedon linsleyi is a species of long-horned bee in the family Apidae, tribe Eucerini. It was described by Zavortink in 1975. The genus Simanthedon is a small group within the Eucerini, commonly known as long-horned bees due to the elongated antennae of males. This species occurs in North America and Middle America.
Svastra
long-horned bees
Svastra is a genus of long-horned bees in the family Apidae, tribe Eucerini. These solitary, ground-nesting bees are native to North America and are important pollinators of sunflowers and other members of the Asteraceae family. The genus has undergone taxonomic revision, with North American species formerly placed in Svastra now moved to Epimelissodes. Females construct nests in hard-packed soil with cells arranged in spiral patterns, while males are known to form nighttime sleeping aggregations on vegetation.
Svastra atripes
long-horned bee
Svastra atripes is a species of long-horned bee in the family Apidae, native to North America. The species was originally described as Melissodes atripes by Cresson in 1872. It includes three recognized subspecies: S. a. atrimitra, S. a. atripes, and S. a. georgica. As a member of the tribe Eucerini, it belongs to a group of solitary, ground-nesting bees characterized by elongated antennae in males.
Svastra atripes atripes
Svastra atripes atripes is a subspecies of long-horned bee in the family Apidae. Like other members of the genus Svastra, it belongs to the tribe Eucerini, a group of solitary bees commonly associated with sunflower and composite flowers. The species is native to North America. Long-horned bees in this genus are important native pollinators, with females nesting in the ground and males often forming overnight sleeping aggregations on vegetation.
Svastra compta
long-horned bee
Svastra compta is a North American long-horned bee in the tribe Eucerini. Like other Svastra species, it is a solitary ground-nesting bee that forages on composite flowers, particularly members of the Asteraceae family. Males exhibit the characteristic long antennae that give the group its common name and are known to form sleeping aggregations on vegetation at night. The species contributes to native bee diversity in its range.
Svastra duplocincta
long-horned bee
Svastra duplocincta is a species of long-horned bee in the family Apidae. It occurs in Central America and North America. As a member of the tribe Eucerini, it belongs to a group of solitary bees characterized by elongated antennae, particularly in males. The species was originally described as Melissodes duplocincta by Cockerell in 1905.
Svastra machaerantherae
Svastra machaerantherae is a species of long-horned bee in the family Apidae. It is native to Central and North America. The species belongs to the tribe Eucerini, a group of solitary bees commonly known as long-horned bees due to the elongated antennae of males.
Svastra minima
Svastra minima is a small species of long-horned bee in the family Apidae, tribe Eucerini. The species was described by LaBerge in 1956 and is known from Middle America. Like other members of the genus Svastra, it is a solitary, ground-nesting bee. Specific details about its biology and ecology remain limited in published literature.
Svastra obliqua
sunflower bee
Svastra obliqua is a long-horned bee in the family Apidae, commonly known as the sunflower bee. It is native to Central America and North America, with three recognized subspecies. The species shows strong floral fidelity to sunflowers (Helianthus) and other members of the Asteraceae family, though it will collect pollen from various aster family plants. Males exhibit distinctive sleeping behavior, clustering on flowers or stems at night while females nest in underground burrows.
Svastra obliqua caliginosa
long-horned bee
Svastra obliqua caliginosa is a subspecies of long-horned bee in the family Apidae. It is native to North and Middle America. As a member of the Eucerini tribe, it exhibits traits typical of long-horned bees including elongated antennae in males and ground-nesting behavior. The species Svastra obliqua is known to be associated with sunflowers and members of the Asteraceae family.
Svastra obliqua expurgata
sunflower bee, long-horned digger bee, female long-horned bee
Svastra obliqua expurgata is a subspecies of long-horned bee in the family Apidae, native to western North America. It is commonly known as the 'sunflower bee' due to its strong preference for foraging on sunflowers and other members of the Asteraceae family. The species has been reclassified taxonomically, with some authorities placing North American species formerly in genus Svastra into the genus Epimelissodes. It is a solitary, ground-nesting bee that plays an important role in pollinating native and agricultural plants in its range.
Svastra obliqua obliqua
Svastra obliqua obliqua is a subspecies of long-horned bee in the family Apidae. It belongs to a group of solitary, ground-nesting bees native to North America. The species is closely related to other Svastra taxa and shares behavioral traits with the broader long-horned bee group, including male sleeping aggregations on vegetation.
Svastra petulca
long-horned bee
Svastra petulca is a species of long-horned bee in the family Apidae. The species occurs in Central America and North America. It was originally described as Melissodes petulca by Cresson in 1878, with the basionym later transferred to the genus Svastra. Two subspecies are recognized: S. p. petulca and S. p. suffusa.
Svastra petulca petulca
Svastra petulca petulca is a subspecies of long-horned bee in the family Apidae, tribe Eucerini. It belongs to a genus of solitary, ground-nesting bees native to North and Central America. Like other Svastra species, it is a specialist pollinator associated with composite flowers, particularly in the Asteraceae family. The subspecies was described by Cresson in 1879.
Svastra sabinensis
Svastra sabinensis is a species of long-horned bee in the family Apidae, first described by Cockerell in 1924. It belongs to the tribe Eucerini, a group of solitary bees characterized by elongated antennae in males. The species is distributed across Central America and North America. Three subspecies are recognized: S. s. sabinensis, S. s. laterufa, and S. s. nubila. As with other members of the genus Svastra, it is likely associated with pollen collection from Asteraceae flowers, though specific ecological details for this species remain limited.
Svastra sabinensis sabinensis
A subspecies of long-horned bee in the tribe Eucerini. Females are solitary ground-nesters that construct individual burrows. Males have been observed forming sleeping aggregations on vegetation at night. The subspecies occurs in parts of Middle and North America.
Svastra texana
Texas long-horned bee
Svastra texana is a species of long-horned bee in the family Apidae. It is native to Central America and North America. The species was first described by Ezra Townsend Cresson in 1872 under the name Melissodes texana. Two subspecies are recognized: Svastra texana texana and Svastra texana eluta.
Syntrichalonia exquisita
Exquisite Longhorn, Exquisite Long-horned Bee
Syntrichalonia exquisita is a species of long-horned bee in the family Apidae, commonly known as the exquisite long-horned bee. It belongs to the tribe Eucerini, a group characterized by elongated antennae, particularly in males. The species occurs across Central and North America. Like other eucerine bees, it is likely solitary and ground-nesting, though specific biological details remain poorly documented.
Xenoglossa strenua
Nimble Squash Bee
Xenoglossa strenua is a species of long-horned bee in the family Apidae, native to North and Central America. It is an oligolectic pollinator specialized on the cucurbit family (Cucurbitaceae), including pumpkins, squash, gourds, cucumbers, and zucchini. The species is active early in the morning, visiting flowers as soon as they open, before most other bee species begin foraging.